40244556670433 has 8 divisors (see below), whose sum is σ = 40643146589736. Its totient is φ = 39845969280000.

The previous prime is 40244556670411. The next prime is 40244556670481. The reversal of 40244556670433 is 33407665544204.

It can be written as a sum of positive squares in 4 ways, for example, as 12484124090944 + 27760432579489 = 3533288^2 + 5268817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40244556670433 - 2²² = 40244552476129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40244556670403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60054785 + ... + 60721217.

It is an arithmetic number, because the mean of its divisors is an integer number (5080393323717).

Almost surely, 2^{40244556670433} is an apocalyptic number.

It is an amenable number.

40244556670433 is a deficient number, since it is larger than the sum of its proper divisors (398589919303).

40244556670433 is a wasteful number, since it uses less digits than its factorization.

40244556670433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264435.

The product of its (nonzero) digits is 29030400, while the sum is 53.

The spelling of 40244556670433 in words is "forty trillion, two hundred forty-four billion, five hundred fifty-six million, six hundred seventy thousand, four hundred thirty-three".